/*
 * Copyright (c) 2012-2020 MIRACL UK Ltd.
 *
 * This file is part of MIRACL Core
 * (see https://github.com/miracl/core).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

var AES = function() {
    "use strict";

    var AES = function() {
        this.Nk = 0;
        this.Nr = 0;
        this.mode = 0;
        this.fkey = [];
        this.rkey = [];
        this.f = [];
    };

    // AES constants
    AES.ECB = 0;
    AES.CBC = 1;
    AES.CFB1 = 2;
    AES.CFB2 = 3;
    AES.CFB4 = 5;
    AES.OFB1 = 14;
    AES.OFB2 = 15;
    AES.OFB4 = 17;
    AES.OFB8 = 21;
    AES.OFB16 = 29;
    AES.CTR1 = 30;
    AES.CTR2 = 31;
    AES.CTR4 = 33;
    AES.CTR8 = 37;
    AES.CTR16 = 45;

    AES.prototype = {
        /* reset cipher */
        reset: function(m, iv) { /* reset mode, or reset iv */
            var i;

            this.mode = m;

            for (i = 0; i < 16; i++) {
                this.f[i] = 0;
            }

            if (this.mode != AES.ECB && iv !== null) {
                for (i = 0; i < 16; i++) {
                    this.f[i] = iv[i];
                }
            }
        },

        getreg: function() {
            var ir = [],
                i;

            for (i = 0; i < 16; i++) {
                ir[i] = this.f[i];
            }

            return ir;
        },

        increment: function() {
            var i;

            for (i = 0; i < 16; i++) {
                this.f[i]++;

                if ((this.f[i] & 0xff) != 0) {
                    break;
                }
            }
        },

        /* Initialise cipher */
        init: function(m, nk, key, iv) { /* Key=16 bytes */
            /* Key Scheduler. Create expanded encryption key */
            var CipherKey = [],
                b = [],
                i, j, k, N, nr;

            nk /= 4;

            if (nk != 4 && nk != 6 && nk != 8) {
                return false;
            }

            nr = 6 + nk;

            this.Nk = nk;
            this.Nr = nr;


            this.reset(m, iv);
            N = 4 * (nr + 1);

            for (i = j = 0; i < nk; i++, j += 4) {
                for (k = 0; k < 4; k++) {
                    b[k] = key[j + k];
                }
                CipherKey[i] = AES.pack(b);
            }

            for (i = 0; i < nk; i++) {
                this.fkey[i] = CipherKey[i];
            }

            for (j = nk, k = 0; j < N; j += nk, k++) {
                this.fkey[j] = this.fkey[j - nk] ^ AES.SubByte(AES.ROTL24(this.fkey[j - 1])) ^ (AES.rco[k]) & 0xff;

				if (nk<=6)
				{
					for (i = 1; i < nk && (i + j) < N; i++) {
						this.fkey[i + j] = this.fkey[i + j - nk] ^ this.fkey[i + j - 1];
					}
				} else {
					for (i = 1; i < 4 && (i + j) < N; i++) {
						this.fkey[i + j] = this.fkey[i + j - nk] ^ this.fkey[i + j - 1];
					}
					if ((j + 4) < N) {
						this.fkey[j + 4] = this.fkey[j + 4 - nk] ^ AES.SubByte(this.fkey[j + 3]);
					}
					for (i = 5; i < nk && (i + j) < N; i++) {
						this.fkey[i + j] = this.fkey[i + j - nk] ^ this.fkey[i + j - 1];
					}
				}
            }


            /* now for the expanded decrypt key in reverse order */

            for (j = 0; j < 4; j++) {
                this.rkey[j + N - 4] = this.fkey[j];
            }

            for (i = 4; i < N - 4; i += 4) {
                k = N - 4 - i;
                for (j = 0; j < 4; j++) {
                    this.rkey[k + j] = AES.InvMixCol(this.fkey[i + j]);
                }
            }

            for (j = N - 4; j < N; j++) {
                this.rkey[j - N + 4] = this.fkey[j];
            }
        },

        /* Encrypt a single block */
        ecb_encrypt: function(buff) {
            var b = [],
                p = [],
                q = [],
                t, i, j, k;

            for (i = j = 0; i < 4; i++, j += 4) {
                for (k = 0; k < 4; k++) {
                    b[k] = buff[j + k];
                }
                p[i] = AES.pack(b);
                p[i] ^= this.fkey[i];
            }

            k = 4;

            /* State alternates between p and q */
            for (i = 1; i < this.Nr; i++) {
                q[0] = this.fkey[k] ^ AES.ftable[p[0] & 0xff] ^
                    AES.ROTL8(AES.ftable[(p[1] >>> 8) & 0xff]) ^
                    AES.ROTL16(AES.ftable[(p[2] >>> 16) & 0xff]) ^
                    AES.ROTL24(AES.ftable[(p[3] >>> 24) & 0xff]);
                q[1] = this.fkey[k + 1] ^ AES.ftable[p[1] & 0xff] ^
                    AES.ROTL8(AES.ftable[(p[2] >>> 8) & 0xff]) ^
                    AES.ROTL16(AES.ftable[(p[3] >>> 16) & 0xff]) ^
                    AES.ROTL24(AES.ftable[(p[0] >>> 24) & 0xff]);
                q[2] = this.fkey[k + 2] ^ AES.ftable[p[2] & 0xff] ^
                    AES.ROTL8(AES.ftable[(p[3] >>> 8) & 0xff]) ^
                    AES.ROTL16(AES.ftable[(p[0] >>> 16) & 0xff]) ^
                    AES.ROTL24(AES.ftable[(p[1] >>> 24) & 0xff]);
                q[3] = this.fkey[k + 3] ^ AES.ftable[p[3] & 0xff] ^
                    AES.ROTL8(AES.ftable[(p[0] >>> 8) & 0xff]) ^
                    AES.ROTL16(AES.ftable[(p[1] >>> 16) & 0xff]) ^
                    AES.ROTL24(AES.ftable[(p[2] >>> 24) & 0xff]);

                k += 4;
                for (j = 0; j < 4; j++) {
                    t = p[j];
                    p[j] = q[j];
                    q[j] = t;
                }
            }

            /* Last Round */

            q[0] = this.fkey[k] ^ (AES.fbsub[p[0] & 0xff] & 0xff) ^
                AES.ROTL8(AES.fbsub[(p[1] >>> 8) & 0xff] & 0xff) ^
                AES.ROTL16(AES.fbsub[(p[2] >>> 16) & 0xff] & 0xff) ^
                AES.ROTL24(AES.fbsub[(p[3] >>> 24) & 0xff] & 0xff);

            q[1] = this.fkey[k + 1] ^ (AES.fbsub[p[1] & 0xff] & 0xff) ^
                AES.ROTL8(AES.fbsub[(p[2] >>> 8) & 0xff] & 0xff) ^
                AES.ROTL16(AES.fbsub[(p[3] >>> 16) & 0xff] & 0xff) ^
                AES.ROTL24(AES.fbsub[(p[0] >>> 24) & 0xff] & 0xff);

            q[2] = this.fkey[k + 2] ^ (AES.fbsub[p[2] & 0xff] & 0xff) ^
                AES.ROTL8(AES.fbsub[(p[3] >>> 8) & 0xff] & 0xff) ^
                AES.ROTL16(AES.fbsub[(p[0] >>> 16) & 0xff] & 0xff) ^
                AES.ROTL24(AES.fbsub[(p[1] >>> 24) & 0xff] & 0xff);

            q[3] = this.fkey[k + 3] ^ (AES.fbsub[(p[3]) & 0xff] & 0xff) ^
                AES.ROTL8(AES.fbsub[(p[0] >>> 8) & 0xff] & 0xff) ^
                AES.ROTL16(AES.fbsub[(p[1] >>> 16) & 0xff] & 0xff) ^
                AES.ROTL24(AES.fbsub[(p[2] >>> 24) & 0xff] & 0xff);

            for (i = j = 0; i < 4; i++, j += 4) {
                b = AES.unpack(q[i]);
                for (k = 0; k < 4; k++) {
                    buff[j + k] = b[k];
                }
            }
        },

        /* Decrypt a single block */
        ecb_decrypt: function(buff) {
            var b = [],
                p = [],
                q = [],
                t, i, j, k;

            for (i = j = 0; i < 4; i++, j += 4) {
                for (k = 0; k < 4; k++) {
                    b[k] = buff[j + k];
                }
                p[i] = AES.pack(b);
                p[i] ^= this.rkey[i];
            }

            k = 4;

            /* State alternates between p and q */
            for (i = 1; i < this.Nr; i++) {
                q[0] = this.rkey[k] ^ AES.rtable[p[0] & 0xff] ^
                    AES.ROTL8(AES.rtable[(p[3] >>> 8) & 0xff]) ^
                    AES.ROTL16(AES.rtable[(p[2] >>> 16) & 0xff]) ^
                    AES.ROTL24(AES.rtable[(p[1] >>> 24) & 0xff]);
                q[1] = this.rkey[k + 1] ^ AES.rtable[p[1] & 0xff] ^
                    AES.ROTL8(AES.rtable[(p[0] >>> 8) & 0xff]) ^
                    AES.ROTL16(AES.rtable[(p[3] >>> 16) & 0xff]) ^
                    AES.ROTL24(AES.rtable[(p[2] >>> 24) & 0xff]);
                q[2] = this.rkey[k + 2] ^ AES.rtable[p[2] & 0xff] ^
                    AES.ROTL8(AES.rtable[(p[1] >>> 8) & 0xff]) ^
                    AES.ROTL16(AES.rtable[(p[0] >>> 16) & 0xff]) ^
                    AES.ROTL24(AES.rtable[(p[3] >>> 24) & 0xff]);
                q[3] = this.rkey[k + 3] ^ AES.rtable[p[3] & 0xff] ^
                    AES.ROTL8(AES.rtable[(p[2] >>> 8) & 0xff]) ^
                    AES.ROTL16(AES.rtable[(p[1] >>> 16) & 0xff]) ^
                    AES.ROTL24(AES.rtable[(p[0] >>> 24) & 0xff]);

                k += 4;

                for (j = 0; j < 4; j++) {
                    t = p[j];
                    p[j] = q[j];
                    q[j] = t;
                }
            }

            /* Last Round */

            q[0] = this.rkey[k] ^ (AES.rbsub[p[0] & 0xff] & 0xff) ^
                AES.ROTL8(AES.rbsub[(p[3] >>> 8) & 0xff] & 0xff) ^
                AES.ROTL16(AES.rbsub[(p[2] >>> 16) & 0xff] & 0xff) ^
                AES.ROTL24(AES.rbsub[(p[1] >>> 24) & 0xff] & 0xff);
            q[1] = this.rkey[k + 1] ^ (AES.rbsub[p[1] & 0xff] & 0xff) ^
                AES.ROTL8(AES.rbsub[(p[0] >>> 8) & 0xff] & 0xff) ^
                AES.ROTL16(AES.rbsub[(p[3] >>> 16) & 0xff] & 0xff) ^
                AES.ROTL24(AES.rbsub[(p[2] >>> 24) & 0xff] & 0xff);
            q[2] = this.rkey[k + 2] ^ (AES.rbsub[p[2] & 0xff] & 0xff) ^
                AES.ROTL8(AES.rbsub[(p[1] >>> 8) & 0xff] & 0xff) ^
                AES.ROTL16(AES.rbsub[(p[0] >>> 16) & 0xff] & 0xff) ^
                AES.ROTL24(AES.rbsub[(p[3] >>> 24) & 0xff] & 0xff);
            q[3] = this.rkey[k + 3] ^ (AES.rbsub[p[3] & 0xff] & 0xff) ^
                AES.ROTL8(AES.rbsub[(p[2] >>> 8) & 0xff] & 0xff) ^
                AES.ROTL16(AES.rbsub[(p[1] >>> 16) & 0xff] & 0xff) ^
                AES.ROTL24(AES.rbsub[(p[0] >>> 24) & 0xff] & 0xff);

            for (i = j = 0; i < 4; i++, j += 4) {
                b = AES.unpack(q[i]);
                for (k = 0; k < 4; k++) {
                    buff[j + k] = b[k];
                }
            }

        },

        /* Encrypt using selected mode of operation */
        encrypt: function(buff) {
            var st = [],
                bytes, fell_off, j;

            // Supported Modes of Operation

            fell_off = 0;

            switch (this.mode) {
                case AES.ECB:
                    this.ecb_encrypt(buff);
                    return 0;

                case AES.CBC:
                    for (j = 0; j < 16; j++) {
                        buff[j] ^= this.f[j];
                    }
                    this.ecb_encrypt(buff);
                    for (j = 0; j < 16; j++) {
                        this.f[j] = buff[j];
                    }
                    return 0;

                case AES.CFB1:
                case AES.CFB2:
                case AES.CFB4:
                    bytes = this.mode - AES.CFB1 + 1;
                    for (j = 0; j < bytes; j++) {
                        fell_off = (fell_off << 8) | this.f[j];
                    }
                    for (j = 0; j < 16; j++) {
                        st[j] = this.f[j];
                    }
                    for (j = bytes; j < 16; j++) {
                        this.f[j - bytes] = this.f[j];
                    }
                    this.ecb_encrypt(st);
                    for (j = 0; j < bytes; j++) {
                        buff[j] ^= st[j];
                        this.f[16 - bytes + j] = buff[j];
                    }
                    return fell_off;

                case AES.OFB1:
                case AES.OFB2:
                case AES.OFB4:
                case AES.OFB8:
                case AES.OFB16:
                    bytes = this.mode - AES.OFB1 + 1;
                    this.ecb_encrypt(this.f);
                    for (j = 0; j < bytes; j++) {
                        buff[j] ^= this.f[j];
                    }
                    return 0;

                case AES.CTR1:
                case AES.CTR2:
                case AES.CTR4:
                case AES.CTR8:
                case AES.CTR16:
                    bytes = this.mode - AES.CTR1 + 1;
                    for (j = 0; j < 16; j++) {
                        st[j] = this.f[j];
                    }
                    this.ecb_encrypt(st);
                    for (j = 0; j < bytes; j++) {
                        buff[j] ^= st[j];
                    }
                    this.increment();
                    return 0;

                default:
                    return 0;
            }
        },

        /* Decrypt using selected mode of operation */
        decrypt: function(buff) {
            var st = [],
                bytes,fell_off, j;

            // Supported modes of operation
            fell_off = 0;
            switch (this.mode) {
                case AES.ECB:
                    this.ecb_decrypt(buff);
                    return 0;

                case AES.CBC:
                    for (j = 0; j < 16; j++) {
                        st[j] = this.f[j];
                        this.f[j] = buff[j];
                    }
                    this.ecb_decrypt(buff);
                    for (j = 0; j < 16; j++) {
                        buff[j] ^= st[j];
                        st[j] = 0;
                    }
                    return 0;

                case AES.CFB1:
                case AES.CFB2:
                case AES.CFB4:
                    bytes = this.mode - AES.CFB1 + 1;
                    for (j = 0; j < bytes; j++) {
                        fell_off = (fell_off << 8) | this.f[j];
                    }
                    for (j = 0; j < 16; j++) {
                        st[j] = this.f[j];
                    }
                    for (j = bytes; j < 16; j++) {
                        this.f[j - bytes] = this.f[j];
                    }
                    this.ecb_encrypt(st);
                    for (j = 0; j < bytes; j++) {
                        this.f[16 - bytes + j] = buff[j];
                        buff[j] ^= st[j];
                    }
                    return fell_off;

                case AES.OFB1:
                case AES.OFB2:
                case AES.OFB4:
                case AES.OFB8:
                case AES.OFB16:
                    bytes = this.mode - AES.OFB1 + 1;
                    this.ecb_encrypt(this.f);
                    for (j = 0; j < bytes; j++) {
                        buff[j] ^= this.f[j];
                    }
                    return 0;

                case AES.CTR1:
                case AES.CTR2:
                case AES.CTR4:
                case AES.CTR8:
                case AES.CTR16:
                    bytes = this.mode - AES.CTR1 + 1;
                    for (j = 0; j < 16; j++) {
                        st[j] = this.f[j];
                    }
                    this.ecb_encrypt(st);
                    for (j = 0; j < bytes; j++) {
                        buff[j] ^= st[j];
                    }
                    this.increment();
                    return 0;

                default:
                    return 0;
            }
        },

        /* Clean up and delete left-overs */
        end: function() { // clean up
            var i;

            for (i = 0; i < 4 * (this.Nr + 1); i++) {
                this.fkey[i] = this.rkey[i] = 0;
            }

            for (i = 0; i < 16; i++) {
                this.f[i] = 0;
            }
        }
    };

    /* static functions */

    AES.ROTL8 = function(x) {
        return (((x) << 8) | ((x) >>> 24));
    };

    AES.ROTL16 = function(x) {
        return (((x) << 16) | ((x) >>> 16));
    };

    AES.ROTL24 = function(x) {
        return (((x) << 24) | ((x) >>> 8));
    };

    AES.pack = function(b) { /* pack 4 bytes into a 32-bit Word */
        return (((b[3]) & 0xff) << 24) | ((b[2] & 0xff) << 16) | ((b[1] & 0xff) << 8) | (b[0] & 0xff);
    };

    AES.unpack = function(a) { /* unpack bytes from a word */
        var b = [];
        b[0] = (a & 0xff);
        b[1] = ((a >>> 8) & 0xff);
        b[2] = ((a >>> 16) & 0xff);
        b[3] = ((a >>> 24) & 0xff);
        return b;
    };

    AES.bmul = function(x, y) { /* x.y= AntiLog(Log(x) + Log(y)) */
        var ix = (x & 0xff),
            iy = (y & 0xff),
            lx = (AES.ltab[ix]) & 0xff,
            ly = (AES.ltab[iy]) & 0xff;

        if (x !== 0 && y !== 0) {
            return AES.ptab[(lx + ly) % 255];
        } else {
            return 0;
        }
    };

    //  if (x && y)

    AES.SubByte = function(a) {
        var b = AES.unpack(a);
        b[0] = AES.fbsub[b[0] & 0xff];
        b[1] = AES.fbsub[b[1] & 0xff];
        b[2] = AES.fbsub[b[2] & 0xff];
        b[3] = AES.fbsub[b[3] & 0xff];
        return AES.pack(b);
    };

    AES.product = function(x, y) { /* dot product of two 4-byte arrays */
        var xb = AES.unpack(x),
            yb = AES.unpack(y);

        return (AES.bmul(xb[0], yb[0]) ^ AES.bmul(xb[1], yb[1]) ^ AES.bmul(xb[2], yb[2]) ^ AES.bmul(xb[3], yb[3])) & 0xff;
    };

    AES.InvMixCol = function(x) { /* matrix Multiplication */
        var b = [],
            y, m;

        m = AES.pack(AES.InCo);
        b[3] = AES.product(m, x);
        m = AES.ROTL24(m);
        b[2] = AES.product(m, x);
        m = AES.ROTL24(m);
        b[1] = AES.product(m, x);
        m = AES.ROTL24(m);
        b[0] = AES.product(m, x);
        y = AES.pack(b);

        return y;
    };

    AES.CBC_IV0_ENCRYPT = function(K, M) { /* ctx.AES CBC encryption, with Null IV and key K */
        /* Input is from an octet string M, output is to an octet string C */
        /* Input is padded as necessary to make up a full final block */
        var a = new AES(),
            buff = [],
            C = [],
            fin, padlen, i, j, ipt, opt;

        a.init(AES.CBC, K.length, K, null);

        ipt = opt = 0;
        fin = false;

        for (;;) {
            for (i = 0; i < 16; i++) {
                if (ipt < M.length) {
                    buff[i] = M[ipt++];
                } else {
                    fin = true;
                    break;
                }
            }

            if (fin) {
                break;
            }

            a.encrypt(buff);

            for (i = 0; i < 16; i++) {
                C[opt++] = buff[i];
            }
        }

        /* last block, filled up to i-th index */

        padlen = 16 - i;
        for (j = i; j < 16; j++) {
            buff[j] = padlen;
        }
        a.encrypt(buff);
        for (i = 0; i < 16; i++) {
            C[opt++] = buff[i];
        }
        a.end();

        return C;
    };

    AES.CBC_IV0_DECRYPT = function(K, C) { /* padding is removed */
        var a = new AES(),
            buff = [],
            MM = [],
            ipt = 0,
            opt = 0,
            M, ch, fin, bad, padlen, i;

        a.init(AES.CBC, K.length, K, null);

        if (C.length === 0) {
            return [];
        }
        ch = C[ipt++];

        fin = false;

        for (;;) {
            for (i = 0; i < 16; i++) {
                buff[i] = ch;
                if (ipt >= C.length) {
                    fin = true;
                    break;
                } else {
                    ch = C[ipt++];
                }
            }
            a.decrypt(buff);
            if (fin) {
                break;
            }

            for (i = 0; i < 16; i++) {
                MM[opt++] = buff[i];
            }
        }

        a.end();
        bad = false;
        padlen = buff[15];

        if (i != 15 || padlen < 1 || padlen > 16) {
            bad = true;
        }

        if (padlen >= 2 && padlen <= 16) {
            for (i = 16 - padlen; i < 16; i++) {
                if (buff[i] != padlen) {
                    bad = true;
                }
            }
        }

        if (!bad) {
            for (i = 0; i < 16 - padlen; i++) {
                MM[opt++] = buff[i];
            }
        }

        M = [];
        if (bad) {
            return M;
        }

        for (i = 0; i < opt; i++) {
            M[i] = MM[i];
        }

        return M;
    };

    AES.InCo = [0xB, 0xD, 0x9, 0xE]; /* Inverse Coefficients */
    AES.rco = [1, 2, 4, 8, 16, 32, 64, 128, 27, 54, 108, 216, 171, 77, 154, 47];

    AES.ptab = [
        1, 3, 5, 15, 17, 51, 85, 255, 26, 46, 114, 150, 161, 248, 19, 53,
        95, 225, 56, 72, 216, 115, 149, 164, 247, 2, 6, 10, 30, 34, 102, 170,
        229, 52, 92, 228, 55, 89, 235, 38, 106, 190, 217, 112, 144, 171, 230, 49,
        83, 245, 4, 12, 20, 60, 68, 204, 79, 209, 104, 184, 211, 110, 178, 205,
        76, 212, 103, 169, 224, 59, 77, 215, 98, 166, 241, 8, 24, 40, 120, 136,
        131, 158, 185, 208, 107, 189, 220, 127, 129, 152, 179, 206, 73, 219, 118, 154,
        181, 196, 87, 249, 16, 48, 80, 240, 11, 29, 39, 105, 187, 214, 97, 163,
        254, 25, 43, 125, 135, 146, 173, 236, 47, 113, 147, 174, 233, 32, 96, 160,
        251, 22, 58, 78, 210, 109, 183, 194, 93, 231, 50, 86, 250, 21, 63, 65,
        195, 94, 226, 61, 71, 201, 64, 192, 91, 237, 44, 116, 156, 191, 218, 117,
        159, 186, 213, 100, 172, 239, 42, 126, 130, 157, 188, 223, 122, 142, 137, 128,
        155, 182, 193, 88, 232, 35, 101, 175, 234, 37, 111, 177, 200, 67, 197, 84,
        252, 31, 33, 99, 165, 244, 7, 9, 27, 45, 119, 153, 176, 203, 70, 202,
        69, 207, 74, 222, 121, 139, 134, 145, 168, 227, 62, 66, 198, 81, 243, 14,
        18, 54, 90, 238, 41, 123, 141, 140, 143, 138, 133, 148, 167, 242, 13, 23,
        57, 75, 221, 124, 132, 151, 162, 253, 28, 36, 108, 180, 199, 82, 246, 1
    ];
    AES.ltab = [
        0, 255, 25, 1, 50, 2, 26, 198, 75, 199, 27, 104, 51, 238, 223, 3,
        100, 4, 224, 14, 52, 141, 129, 239, 76, 113, 8, 200, 248, 105, 28, 193,
        125, 194, 29, 181, 249, 185, 39, 106, 77, 228, 166, 114, 154, 201, 9, 120,
        101, 47, 138, 5, 33, 15, 225, 36, 18, 240, 130, 69, 53, 147, 218, 142,
        150, 143, 219, 189, 54, 208, 206, 148, 19, 92, 210, 241, 64, 70, 131, 56,
        102, 221, 253, 48, 191, 6, 139, 98, 179, 37, 226, 152, 34, 136, 145, 16,
        126, 110, 72, 195, 163, 182, 30, 66, 58, 107, 40, 84, 250, 133, 61, 186,
        43, 121, 10, 21, 155, 159, 94, 202, 78, 212, 172, 229, 243, 115, 167, 87,
        175, 88, 168, 80, 244, 234, 214, 116, 79, 174, 233, 213, 231, 230, 173, 232,
        44, 215, 117, 122, 235, 22, 11, 245, 89, 203, 95, 176, 156, 169, 81, 160,
        127, 12, 246, 111, 23, 196, 73, 236, 216, 67, 31, 45, 164, 118, 123, 183,
        204, 187, 62, 90, 251, 96, 177, 134, 59, 82, 161, 108, 170, 85, 41, 157,
        151, 178, 135, 144, 97, 190, 220, 252, 188, 149, 207, 205, 55, 63, 91, 209,
        83, 57, 132, 60, 65, 162, 109, 71, 20, 42, 158, 93, 86, 242, 211, 171,
        68, 17, 146, 217, 35, 32, 46, 137, 180, 124, 184, 38, 119, 153, 227, 165,
        103, 74, 237, 222, 197, 49, 254, 24, 13, 99, 140, 128, 192, 247, 112, 7
    ];
    AES.fbsub = [
        99, 124, 119, 123, 242, 107, 111, 197, 48, 1, 103, 43, 254, 215, 171, 118,
        202, 130, 201, 125, 250, 89, 71, 240, 173, 212, 162, 175, 156, 164, 114, 192,
        183, 253, 147, 38, 54, 63, 247, 204, 52, 165, 229, 241, 113, 216, 49, 21,
        4, 199, 35, 195, 24, 150, 5, 154, 7, 18, 128, 226, 235, 39, 178, 117,
        9, 131, 44, 26, 27, 110, 90, 160, 82, 59, 214, 179, 41, 227, 47, 132,
        83, 209, 0, 237, 32, 252, 177, 91, 106, 203, 190, 57, 74, 76, 88, 207,
        208, 239, 170, 251, 67, 77, 51, 133, 69, 249, 2, 127, 80, 60, 159, 168,
        81, 163, 64, 143, 146, 157, 56, 245, 188, 182, 218, 33, 16, 255, 243, 210,
        205, 12, 19, 236, 95, 151, 68, 23, 196, 167, 126, 61, 100, 93, 25, 115,
        96, 129, 79, 220, 34, 42, 144, 136, 70, 238, 184, 20, 222, 94, 11, 219,
        224, 50, 58, 10, 73, 6, 36, 92, 194, 211, 172, 98, 145, 149, 228, 121,
        231, 200, 55, 109, 141, 213, 78, 169, 108, 86, 244, 234, 101, 122, 174, 8,
        186, 120, 37, 46, 28, 166, 180, 198, 232, 221, 116, 31, 75, 189, 139, 138,
        112, 62, 181, 102, 72, 3, 246, 14, 97, 53, 87, 185, 134, 193, 29, 158,
        225, 248, 152, 17, 105, 217, 142, 148, 155, 30, 135, 233, 206, 85, 40, 223,
        140, 161, 137, 13, 191, 230, 66, 104, 65, 153, 45, 15, 176, 84, 187, 22
    ];
    AES.rbsub = [
        82, 9, 106, 213, 48, 54, 165, 56, 191, 64, 163, 158, 129, 243, 215, 251,
        124, 227, 57, 130, 155, 47, 255, 135, 52, 142, 67, 68, 196, 222, 233, 203,
        84, 123, 148, 50, 166, 194, 35, 61, 238, 76, 149, 11, 66, 250, 195, 78,
        8, 46, 161, 102, 40, 217, 36, 178, 118, 91, 162, 73, 109, 139, 209, 37,
        114, 248, 246, 100, 134, 104, 152, 22, 212, 164, 92, 204, 93, 101, 182, 146,
        108, 112, 72, 80, 253, 237, 185, 218, 94, 21, 70, 87, 167, 141, 157, 132,
        144, 216, 171, 0, 140, 188, 211, 10, 247, 228, 88, 5, 184, 179, 69, 6,
        208, 44, 30, 143, 202, 63, 15, 2, 193, 175, 189, 3, 1, 19, 138, 107,
        58, 145, 17, 65, 79, 103, 220, 234, 151, 242, 207, 206, 240, 180, 230, 115,
        150, 172, 116, 34, 231, 173, 53, 133, 226, 249, 55, 232, 28, 117, 223, 110,
        71, 241, 26, 113, 29, 41, 197, 137, 111, 183, 98, 14, 170, 24, 190, 27,
        252, 86, 62, 75, 198, 210, 121, 32, 154, 219, 192, 254, 120, 205, 90, 244,
        31, 221, 168, 51, 136, 7, 199, 49, 177, 18, 16, 89, 39, 128, 236, 95,
        96, 81, 127, 169, 25, 181, 74, 13, 45, 229, 122, 159, 147, 201, 156, 239,
        160, 224, 59, 77, 174, 42, 245, 176, 200, 235, 187, 60, 131, 83, 153, 97,
        23, 43, 4, 126, 186, 119, 214, 38, 225, 105, 20, 99, 85, 33, 12, 125
    ];
    AES.ftable = [
        0xa56363c6, 0x847c7cf8, 0x997777ee, 0x8d7b7bf6, 0xdf2f2ff, 0xbd6b6bd6,
        0xb16f6fde, 0x54c5c591, 0x50303060, 0x3010102, 0xa96767ce, 0x7d2b2b56,
        0x19fefee7, 0x62d7d7b5, 0xe6abab4d, 0x9a7676ec, 0x45caca8f, 0x9d82821f,
        0x40c9c989, 0x877d7dfa, 0x15fafaef, 0xeb5959b2, 0xc947478e, 0xbf0f0fb,
        0xecadad41, 0x67d4d4b3, 0xfda2a25f, 0xeaafaf45, 0xbf9c9c23, 0xf7a4a453,
        0x967272e4, 0x5bc0c09b, 0xc2b7b775, 0x1cfdfde1, 0xae93933d, 0x6a26264c,
        0x5a36366c, 0x413f3f7e, 0x2f7f7f5, 0x4fcccc83, 0x5c343468, 0xf4a5a551,
        0x34e5e5d1, 0x8f1f1f9, 0x937171e2, 0x73d8d8ab, 0x53313162, 0x3f15152a,
        0xc040408, 0x52c7c795, 0x65232346, 0x5ec3c39d, 0x28181830, 0xa1969637,
        0xf05050a, 0xb59a9a2f, 0x907070e, 0x36121224, 0x9b80801b, 0x3de2e2df,
        0x26ebebcd, 0x6927274e, 0xcdb2b27f, 0x9f7575ea, 0x1b090912, 0x9e83831d,
        0x742c2c58, 0x2e1a1a34, 0x2d1b1b36, 0xb26e6edc, 0xee5a5ab4, 0xfba0a05b,
        0xf65252a4, 0x4d3b3b76, 0x61d6d6b7, 0xceb3b37d, 0x7b292952, 0x3ee3e3dd,
        0x712f2f5e, 0x97848413, 0xf55353a6, 0x68d1d1b9, 0x0, 0x2cededc1,
        0x60202040, 0x1ffcfce3, 0xc8b1b179, 0xed5b5bb6, 0xbe6a6ad4, 0x46cbcb8d,
        0xd9bebe67, 0x4b393972, 0xde4a4a94, 0xd44c4c98, 0xe85858b0, 0x4acfcf85,
        0x6bd0d0bb, 0x2aefefc5, 0xe5aaaa4f, 0x16fbfbed, 0xc5434386, 0xd74d4d9a,
        0x55333366, 0x94858511, 0xcf45458a, 0x10f9f9e9, 0x6020204, 0x817f7ffe,
        0xf05050a0, 0x443c3c78, 0xba9f9f25, 0xe3a8a84b, 0xf35151a2, 0xfea3a35d,
        0xc0404080, 0x8a8f8f05, 0xad92923f, 0xbc9d9d21, 0x48383870, 0x4f5f5f1,
        0xdfbcbc63, 0xc1b6b677, 0x75dadaaf, 0x63212142, 0x30101020, 0x1affffe5,
        0xef3f3fd, 0x6dd2d2bf, 0x4ccdcd81, 0x140c0c18, 0x35131326, 0x2fececc3,
        0xe15f5fbe, 0xa2979735, 0xcc444488, 0x3917172e, 0x57c4c493, 0xf2a7a755,
        0x827e7efc, 0x473d3d7a, 0xac6464c8, 0xe75d5dba, 0x2b191932, 0x957373e6,
        0xa06060c0, 0x98818119, 0xd14f4f9e, 0x7fdcdca3, 0x66222244, 0x7e2a2a54,
        0xab90903b, 0x8388880b, 0xca46468c, 0x29eeeec7, 0xd3b8b86b, 0x3c141428,
        0x79dedea7, 0xe25e5ebc, 0x1d0b0b16, 0x76dbdbad, 0x3be0e0db, 0x56323264,
        0x4e3a3a74, 0x1e0a0a14, 0xdb494992, 0xa06060c, 0x6c242448, 0xe45c5cb8,
        0x5dc2c29f, 0x6ed3d3bd, 0xefacac43, 0xa66262c4, 0xa8919139, 0xa4959531,
        0x37e4e4d3, 0x8b7979f2, 0x32e7e7d5, 0x43c8c88b, 0x5937376e, 0xb76d6dda,
        0x8c8d8d01, 0x64d5d5b1, 0xd24e4e9c, 0xe0a9a949, 0xb46c6cd8, 0xfa5656ac,
        0x7f4f4f3, 0x25eaeacf, 0xaf6565ca, 0x8e7a7af4, 0xe9aeae47, 0x18080810,
        0xd5baba6f, 0x887878f0, 0x6f25254a, 0x722e2e5c, 0x241c1c38, 0xf1a6a657,
        0xc7b4b473, 0x51c6c697, 0x23e8e8cb, 0x7cdddda1, 0x9c7474e8, 0x211f1f3e,
        0xdd4b4b96, 0xdcbdbd61, 0x868b8b0d, 0x858a8a0f, 0x907070e0, 0x423e3e7c,
        0xc4b5b571, 0xaa6666cc, 0xd8484890, 0x5030306, 0x1f6f6f7, 0x120e0e1c,
        0xa36161c2, 0x5f35356a, 0xf95757ae, 0xd0b9b969, 0x91868617, 0x58c1c199,
        0x271d1d3a, 0xb99e9e27, 0x38e1e1d9, 0x13f8f8eb, 0xb398982b, 0x33111122,
        0xbb6969d2, 0x70d9d9a9, 0x898e8e07, 0xa7949433, 0xb69b9b2d, 0x221e1e3c,
        0x92878715, 0x20e9e9c9, 0x49cece87, 0xff5555aa, 0x78282850, 0x7adfdfa5,
        0x8f8c8c03, 0xf8a1a159, 0x80898909, 0x170d0d1a, 0xdabfbf65, 0x31e6e6d7,
        0xc6424284, 0xb86868d0, 0xc3414182, 0xb0999929, 0x772d2d5a, 0x110f0f1e,
        0xcbb0b07b, 0xfc5454a8, 0xd6bbbb6d, 0x3a16162c
    ];
    AES.rtable = [
        0x50a7f451, 0x5365417e, 0xc3a4171a, 0x965e273a, 0xcb6bab3b, 0xf1459d1f,
        0xab58faac, 0x9303e34b, 0x55fa3020, 0xf66d76ad, 0x9176cc88, 0x254c02f5,
        0xfcd7e54f, 0xd7cb2ac5, 0x80443526, 0x8fa362b5, 0x495ab1de, 0x671bba25,
        0x980eea45, 0xe1c0fe5d, 0x2752fc3, 0x12f04c81, 0xa397468d, 0xc6f9d36b,
        0xe75f8f03, 0x959c9215, 0xeb7a6dbf, 0xda595295, 0x2d83bed4, 0xd3217458,
        0x2969e049, 0x44c8c98e, 0x6a89c275, 0x78798ef4, 0x6b3e5899, 0xdd71b927,
        0xb64fe1be, 0x17ad88f0, 0x66ac20c9, 0xb43ace7d, 0x184adf63, 0x82311ae5,
        0x60335197, 0x457f5362, 0xe07764b1, 0x84ae6bbb, 0x1ca081fe, 0x942b08f9,
        0x58684870, 0x19fd458f, 0x876cde94, 0xb7f87b52, 0x23d373ab, 0xe2024b72,
        0x578f1fe3, 0x2aab5566, 0x728ebb2, 0x3c2b52f, 0x9a7bc586, 0xa50837d3,
        0xf2872830, 0xb2a5bf23, 0xba6a0302, 0x5c8216ed, 0x2b1ccf8a, 0x92b479a7,
        0xf0f207f3, 0xa1e2694e, 0xcdf4da65, 0xd5be0506, 0x1f6234d1, 0x8afea6c4,
        0x9d532e34, 0xa055f3a2, 0x32e18a05, 0x75ebf6a4, 0x39ec830b, 0xaaef6040,
        0x69f715e, 0x51106ebd, 0xf98a213e, 0x3d06dd96, 0xae053edd, 0x46bde64d,
        0xb58d5491, 0x55dc471, 0x6fd40604, 0xff155060, 0x24fb9819, 0x97e9bdd6,
        0xcc434089, 0x779ed967, 0xbd42e8b0, 0x888b8907, 0x385b19e7, 0xdbeec879,
        0x470a7ca1, 0xe90f427c, 0xc91e84f8, 0x0, 0x83868009, 0x48ed2b32,
        0xac70111e, 0x4e725a6c, 0xfbff0efd, 0x5638850f, 0x1ed5ae3d, 0x27392d36,
        0x64d90f0a, 0x21a65c68, 0xd1545b9b, 0x3a2e3624, 0xb1670a0c, 0xfe75793,
        0xd296eeb4, 0x9e919b1b, 0x4fc5c080, 0xa220dc61, 0x694b775a, 0x161a121c,
        0xaba93e2, 0xe52aa0c0, 0x43e0223c, 0x1d171b12, 0xb0d090e, 0xadc78bf2,
        0xb9a8b62d, 0xc8a91e14, 0x8519f157, 0x4c0775af, 0xbbdd99ee, 0xfd607fa3,
        0x9f2601f7, 0xbcf5725c, 0xc53b6644, 0x347efb5b, 0x7629438b, 0xdcc623cb,
        0x68fcedb6, 0x63f1e4b8, 0xcadc31d7, 0x10856342, 0x40229713, 0x2011c684,
        0x7d244a85, 0xf83dbbd2, 0x1132f9ae, 0x6da129c7, 0x4b2f9e1d, 0xf330b2dc,
        0xec52860d, 0xd0e3c177, 0x6c16b32b, 0x99b970a9, 0xfa489411, 0x2264e947,
        0xc48cfca8, 0x1a3ff0a0, 0xd82c7d56, 0xef903322, 0xc74e4987, 0xc1d138d9,
        0xfea2ca8c, 0x360bd498, 0xcf81f5a6, 0x28de7aa5, 0x268eb7da, 0xa4bfad3f,
        0xe49d3a2c, 0xd927850, 0x9bcc5f6a, 0x62467e54, 0xc2138df6, 0xe8b8d890,
        0x5ef7392e, 0xf5afc382, 0xbe805d9f, 0x7c93d069, 0xa92dd56f, 0xb31225cf,
        0x3b99acc8, 0xa77d1810, 0x6e639ce8, 0x7bbb3bdb, 0x97826cd, 0xf418596e,
        0x1b79aec, 0xa89a4f83, 0x656e95e6, 0x7ee6ffaa, 0x8cfbc21, 0xe6e815ef,
        0xd99be7ba, 0xce366f4a, 0xd4099fea, 0xd67cb029, 0xafb2a431, 0x31233f2a,
        0x3094a5c6, 0xc066a235, 0x37bc4e74, 0xa6ca82fc, 0xb0d090e0, 0x15d8a733,
        0x4a9804f1, 0xf7daec41, 0xe50cd7f, 0x2ff69117, 0x8dd64d76, 0x4db0ef43,
        0x544daacc, 0xdf0496e4, 0xe3b5d19e, 0x1b886a4c, 0xb81f2cc1, 0x7f516546,
        0x4ea5e9d, 0x5d358c01, 0x737487fa, 0x2e410bfb, 0x5a1d67b3, 0x52d2db92,
        0x335610e9, 0x1347d66d, 0x8c61d79a, 0x7a0ca137, 0x8e14f859, 0x893c13eb,
        0xee27a9ce, 0x35c961b7, 0xede51ce1, 0x3cb1477a, 0x59dfd29c, 0x3f73f255,
        0x79ce1418, 0xbf37c773, 0xeacdf753, 0x5baafd5f, 0x146f3ddf, 0x86db4478,
        0x81f3afca, 0x3ec468b9, 0x2c342438, 0x5f40a3c2, 0x72c31d16, 0xc25e2bc,
        0x8b493c28, 0x41950dff, 0x7101a839, 0xdeb30c08, 0x9ce4b4d8, 0x90c15664,
        0x6184cb7b, 0x70b632d5, 0x745c6c48, 0x4257b8d0
    ];

    return AES;
};

if (typeof module !== "undefined" && typeof module.exports !== "undefined") {
    module.exports = {
        AES: AES
    };
}

